124342555102309 has 2 divisors, whose sum is σ = 124342555102310. Its totient is φ = 124342555102308.

The previous prime is 124342555102301. The next prime is 124342555102333. The reversal of 124342555102309 is 903201555243421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123652954404225 + 689600698084 = 11119935^2 + 830422^2 .

It is a cyclic number.

It is not a de Polignac number, because 124342555102309 - 2³ = 124342555102301 is a prime.

It is a super-2 number, since 2×124342555102309² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124342555102301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62171277551154 + 62171277551155.

It is an arithmetic number, because the mean of its divisors is an integer number (62171277551155).

Almost surely, 2^{124342555102309} is an apocalyptic number.

It is an amenable number.

124342555102309 is a deficient number, since it is larger than the sum of its proper divisors (1).

124342555102309 is an equidigital number, since it uses as much as digits as its factorization.

124342555102309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296000, while the sum is 46.

The spelling of 124342555102309 in words is "one hundred twenty-four trillion, three hundred forty-two billion, five hundred fifty-five million, one hundred two thousand, three hundred nine".